According to the website of the National Meteorological Center, the National Meteorological Center continued to issue an orange cold wave warning at 6:00 on February 19: Affected by the cold wave, it is expected that from February 19 to 22, most of central and eastern China will experience sharp temperature drops from west to east and from north to south successively, with daily average or minimum temperatures generally dropping by 8–12°C. Temperatures in central and eastern Northeast China, southern North China, the Huang-Huai region, the Jiang-Huai region, the Jiang-Han region, Jiangnan, central and northern South China, and Guizhou will drop by 12–18°C. Among these, cumulative temperature drops in eastern Northeast China and parts of eastern Hunan and Guizhou may exceed 20°C. Around February 23, the 0°C minimum temperature line will press southward to the area from southern Jiangsu and Anhui to southern Hunan and southern Guizhou.

　　It is expected that from 8:00 on February 19 to 8:00 on February 21, temperatures in southeastern Inner Mongolia, Northeast China, most of North China, the Huang-Huai region, the Jiang-Huai region, the Jiang-Han region, and northern Jiangnan will drop by 8–10°C successively. Among these, temperatures in central and eastern Northeast China, southern North China, most of the Huang-Huai region, central and western Jiang-Huai, the Jiang-Han region, and northern Hunan will drop by 12–14°C, and temperatures in parts of eastern Northeast China may drop by more than 18°C.

　　The National Meteorological Center continued to issue a yellow fog warning at 6:00 on February 19: It is expected that from daytime to nighttime on the 19th, heavy fog will occur in the western waters of the East China Sea, the Taiwan Strait, the coastal waters of Guangdong, and the coastal waters of Guangxi, with visibility of less than 1 kilometer. In addition, from early morning to morning on the 19th, heavy fog will occur in northern Jiangsu and other places, with locally severe dense fog and visibility of less than 200 meters.

　　The National Meteorological Center continued to issue a blue gale warning at 6:00 on February 19: It is expected that from 8:00 on February 19 to 8:00 on February 20, parts of central and western Tibet, central and southern Qinghai, southeastern Inner Mongolia, western and southern Liaoning, eastern North China, eastern Huang-Huai, and eastern Jiang-Huai will experience winds of force 5–6, with gusts of force 7–9. The Bohai Sea, the Bohai Strait, and most of the Yellow Sea will experience winds of force 7–8, with gusts of force 9–10.

　　From 8:00 on February 20 to 8:00 on February 21, parts of central and western Tibet, central and western Qinghai, eastern North China, the Huang-Huai region, eastern Jiang-Huai, and the Jiang-Han region will experience winds of force 5–6, with gusts of force 7–9. The Bohai Sea, the Bohai Strait, and most of the Yellow Sea will experience winds of force 7–8, with gusts of force 9–10.

　　The National Meteorological Center continued to issue a blue sandstorm warning at 6:00 on February 19: It is expected that from 8:00 on February 19 to 8:00 on February 20, parts of the southern Xinjiang Basin, western Inner Mongolia, northeastern Qinghai, central and southern Shaanxi, southwestern Shanxi, western Henan, central and western Hubei, and central and northern Sichuan Basin will experience blowing sand or floating dust weather.